Figure 1 in Natural occurrence of entomopathogenic nematode species (Rhabditida: Steinernematidae and Heterorhabditidae) in cotton fields of Tamil Nadu, India

Figure 1. Geographic regions of Tamil Nadu state of india showing sampling sites. 1. Villupuram District; 2. Erode District; 3. Coimbatore District; 4. Ariyalur District; 5. Dindigul District; 6. Theni District; 7. Madurai District; 8. Virudhunagar District; 9. Thirunelveli District; 10. Thoothukudi District. Positive sampling sites: Steinernema carpocapsae, filled square; Steinernema siamkayai, filled triangle; Steinernema monticolum, filled circle; Heterorhabditis bacteriophora, filled star. Negative sampling site, open circle.